C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 8/28 (2006.01) C08J 9/40 (2006.01)
Patent
CA 2659738
A hydrophilic binder system for porous substrates, for instance, plant growth systems, is obtained by (A) reacting at least one acid component selected from di- and polycarboxylic acids and anhydrides thereof and at least one polyhydroxy component selected from polyalkylene glycols, copolymers and derivatives thereof to form a polyalkylene glycol ester; and (B) reacting the obtained polyalkylene glycol ester having carboxylic acid functionality with a phenolic resin.
L'invention concerne un système de liant hydrophile pour substrats poreux, par exemple, de systèmes de croissance de plantes, lequel système de liant est obtenu par (A) réaction d'au moins un composant acide choisi parmi les acides di- et polycarboxyliques et leurs anhydrides et au moins un composant polyhydroxy choisi parmi les polyalkylène glycols, leurs copolymères et dérivés, pour former un polyalkylène glycol ester; et (B) réaction du polyalkylène glycol ester obtenu présentant une fonctionnalité acide carboxylique avec une résine phénolique.
Gudik-Sorensen Mads
Hansen Erling Lennart
Fetherstonhaugh & Co.
Rockwool International A/s
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